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Replace special characters
If you have column name as f_name in which the data is "john&","97edward","do__nna" . you want to remove/replace the special characters and then send the output as "john","edward","donna" to the target. what is the transformation and what is the function to be used in the mapping(informatica)
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What r the joiner caches?
When a Joiner transformation occurs in a session, the Informatica Server reads all the records from the master source and builds index and data caches based on the master rows. After building the caches, the Joiner transformation reads records from the detail source and perform joins.
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What r the types of maping wizards that r to be provided in Informatica?
The Designer provides two mapping wizards to help you create mappings quickly and easily. Both wizards are designed to create mappings for loading and maintaining star schemas, a series of dimensions related to a central fact table. Getting Started Wizard. Creates mappings to load static fact and dimension tables, as well as slowly growing dimension tables. Slowly Changing Dimensions Wizard. Creates...
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What r the reusable transforamtions?
Reusable transformations can be used in multiple mappings.When u need to incorporate this transformation into maping,U add an instance of it to maping.Later if U change the definition of the transformation ,all instances of it inherit the changes.Since the instance of reusable transforamation is a pointer to that transforamtion,U can change the transforamation in the transformation developer,its instances...
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If a session fails after loading of 10,000 records in to the target.How can u load the records from 10001 th record when u run the session next time?
As explained above informatcia server has 3 methods to recovering the sessions.Use performing recovery to load the records from where the session fails.
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Informatica Bulk Load Question
If flat files is your source. what are the option in session to take bulk of files from same folder have the same structure of all the files..
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Informatica job via UNIX script problem
I am getting following error when i tried to run Informatica job through a UNIX script.The error is ERROR: Invalid user name or password.WARNING: Lost server connection.The user name and password is correctly entered and there is no discrepancy regarding that.The Unix log file says2007 OPALD31_LOAD_PLINK_ANNUALSTATEMENT.ksh FATAL ERROR - Session Failed, batch w_m_OPAL_PLINK_Annual Statement_load_to_stage,...
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Strategy Transformation
By using Update Strategy Transformation we use to maintain historical data using Type2 & Type3. By both of this which is better to use? Why?
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Informatica Interview Questions
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